How severe is CVE-2025-8459?

CVE-2025-8459 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-8459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8459?

CVE-2025-8459 affects Centreon Centreon Web. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8459?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-8459 have an EU (EUVD) identifier?

Yes. CVE-2025-8459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34262.

When was CVE-2025-8459 published?

CVE-2025-8459 was published on 2025-10-14 and last updated on 2026-06-17.

CVE-2025-8459

CVE-2025-8459 is a high-severity vulnerability in Centreon Centreon Web with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34262
Weakness: CWE-79
Affected product: Centreon Centreon Web
Published: 2025-10-14
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Centreon Infra Monitoring (Monitoring recurrent downtime scheduler modules) allows Stored XSS.This issue affects Infra Monitoring: from 24.10.0 before 24.10.13, from 24.04.0 before 24.04.18, from 23.10.0 before 23.10.28.

Frequently asked questions

What is CVE-2025-8459?: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Centreon Infra Monitoring (Monitoring recurrent downtime scheduler modules) allows Stored XSS.This issue affects Infra Monitoring: from 24.10.0 before 24.10.13, from 24.04.0 before 24.04.18, from 23.10.0 before 23.10.28.
How severe is CVE-2025-8459?: CVE-2025-8459 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-8459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8459?: CVE-2025-8459 affects Centreon Centreon Web. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-8459 have an EU (EUVD) identifier?: Yes. CVE-2025-8459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34262.
When was CVE-2025-8459 published?: CVE-2025-8459 was published on 2025-10-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:centreon:centreon_web:*:*:*:*:*:*:*:*

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